81 lines
3.1 KiB
C
81 lines
3.1 KiB
C
/******************************************************************************
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* 版权所有：苏州领慧立芯科技有限公司
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* Copyright (c) 2020-2025 Suzhou Legendsemi Technology Co., Ltd.
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******************************************************************************
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* All rights reserved. Distributed under MIT license.
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* The file is encoded in UTF-8 without signature.
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* @file lh32m0g30x_rtc.h
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* @version 2025-09-08
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******************************************************************************/
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/* Define to prevent recursive inclusion ------------------------------------*/
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#ifndef __LH32M0G3x_RTC_H
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#define __LH32M0G3x_RTC_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Includes ------------------------------------------------------------------*/
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#include "lh32m0xx_lhl.h"
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/* Public Definition ---------------------------------------------------------*/
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/**
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* @brief RTC Configuration Structure definition
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*/
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typedef struct
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{
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uint32_t ClockSource; /*!< Specifies the RTC Clock Source: LSI, LSE or HSE/128 */
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uint32_t Prescaler; /*!< Specifies the RTC Synchronous Predivider value.
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This parameter must be a number between Min_Data = 0x1 and Max_Data = 0xFFFFF */
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uint32_t Counter; /*!< Specifies the RTC Counter value. Max Data 32bit */
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uint32_t Alarm; /*!< Specifies the RTC Alarm value. Max Data 32bit */
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} RTC_InitTypeDef;
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/**
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* @brief RTC Flags
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*/
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#define RTC_FLAG_SECF ((uint32_t)0x1) // 秒标志
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#define RTC_FLAG_ALRF ((uint32_t)0x2) // 闹钟标志
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#define RTC_FLAG_OWF ((uint32_t)0x4) // 溢出标志
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/**
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* @brief RTC IT
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*/
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#define RTC_IT_SECIE ((uint32_t)0x1) /* 允许秒中断 (Second interrupt enable) 0：屏蔽(不允许)秒中断1：允许秒中断*/
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#define RTC_IT_ALRIE ((uint32_t)0x2) /* 允许闹钟中断 (Alarm interrupt enable) 0：屏蔽(不允许)闹钟中断1：允许闹钟中断*/
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#define RTC_IT_OWIE ((uint32_t)0x4) /* 允许溢出中断位 (Overflow interrupt enable) 0：屏蔽(不允许)溢出中断1：允许溢出中断*/
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/* Function Prototype --------------------------------------------------------*/
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LHL_StatusTypeDef LHL_RTC_Init(RTC_InitTypeDef* RTC_Init);
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LHL_StatusTypeDef RTC_WaitForReadSync(void);
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LHL_StatusTypeDef RTC_WaitForWriteDone(void);
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/*--------- cnt, prescaler ----------*/
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LHL_StatusTypeDef LHL_RTC_SetCounter(uint32_t cnt);
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LHL_StatusTypeDef LHL_RTC_SetPrescaler(uint32_t prl);
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LHL_StatusTypeDef LHL_RTC_GetCounter(uint32_t* cnt);
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/*--------- alarm ------------*/
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LHL_StatusTypeDef LHL_RTC_SetAlarm(uint32_t alarm);
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/*--------- Interrupt ----------*/
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LHL_StatusTypeDef LHL_RTC_ITConfig(uint32_t RTC_IT, FunctionalState NewState);
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ITStatus LHL_RTC_GetPending(uint32_t RTC_IT_FLAG);
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LHL_StatusTypeDef LHL_RTC_ClearPending(uint32_t RTC_IT_FLAG);
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#ifdef __cplusplus
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}
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#endif
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#endif
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/*********************************End of File**********************************/
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